CN102879687A - Automatic detection device for touch screen - Google Patents
Automatic detection device for touch screen Download PDFInfo
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- CN102879687A CN102879687A CN2012103757993A CN201210375799A CN102879687A CN 102879687 A CN102879687 A CN 102879687A CN 2012103757993 A CN2012103757993 A CN 2012103757993A CN 201210375799 A CN201210375799 A CN 201210375799A CN 102879687 A CN102879687 A CN 102879687A
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Abstract
The invention discloses an automatic detection device for a touch screen, and belongs to the technical field of touch screen detection equipment. The automatic detection device for the touch screen comprises a detection platform, a rotary vertical column, a telescopic rod and a detection roller. The telescopic rod is pivoted to the rotary vertical column which is mounted on the detection platform, the detection roller is mounted at the front end of the telescopic rod, and after the touch screen is placed on the detection platform, the rotary vertical column can guarantee the roller to transversely and longitudinally detect the touch screen, and the telescopic rod can guarantee the roller to reciprocate along the edge of the touch screen to detect the touch screen. An automatic detection function is realized by means of the simple structural design, and detection efficiency is improved while detection cost is saved.
Description
Technical field
The present invention relates to the checkout equipment technical field, be specifically related to a kind of touch-screen automatic detection device.
Background technology
Infrared touch screen is to utilize the infrared ray matrix that gathers on X, the Y-direction to detect the also touch of consumer positioning.Infrared touch screen is installed a circuit board housing in the front of display, circuit board arrange on screen four limits infrared transmitting tube and infrared receiving tube, the one by one corresponding infrared ray matrix that anyhow intersects that forms.The user is when touch screen, and finger will block anyhow two infrared rays through this position, thereby can judge the touch point in the position of screen.Any touch object all can change the infrared ray on the contact and realize the touch screen operation.
The major part of resistance touch screen is a resistance film screen that cooperates very much with display surface, this is a kind of laminated film of multilayer, it with one deck glass or duroplasts flat board as basic unit, the surface scribbles layer of transparent oxidized metal (transparent conductive resistance) conductive layer, and the above is stamped one deck outside surface cure process, smooth anti-friction plastic layer again, its inside surface also scribbles one deck coating, has the transparent isolating points of many tiny (less than 1/1000 inches) that two conductive layers is separated insulation between them.When the finger touch screen, two conductive layers has just had contact in the position, touch point, and resistance changes, and produces signal at X and Y both direction, then send the touch screen controller.
Above two kinds of touch screens all are touch screen common in the daily life, both must be through detecting at the final tache of plant produced, after detection accesses driving circuit with touch screen often, manually carry out touching test, but the functional completeness that this some test test often can not the complete detection touch screen (has for example touched normally functioning zone just, and parafunctional zone is not touched), whether can both work such as infrared transmitting tube and the infrared receiving tube of infrared touch screen, or the ITO conductive layer of resistance touch screen whether the problem such as even all can not detect fully by the artificial touching test of simple limited number of time.
And if the accurate robot arm of employing operates, because the high cost of a robot arm, and the maintenance cost of robot arm is not low yet, therefore needs the pick-up unit that detection efficiency is high and the cost demand is low.
Summary of the invention
The embodiment of the invention provides a kind of touch-screen automatic detection device, can realize that detection efficiency is high, and the effect that testing cost is low is to solve above-mentioned technical matters.
The embodiment of the invention provides a kind of touch-screen automatic detection device, comprise detection platform, rotate column, expansion link, detect roller, described rotation column is rotatably installed on the detection platform, described expansion link one end is articulated in by a pivot and rotates on the column, and can rotate along the direction perpendicular to detection platform, the other end of expansion link is rotatably mounted described detection roller, the shaft parallel of described detection roller is in detection platform, described rotation column is driven by the first drive motor, and to rotate around an axle perpendicular to detection platform, described expansion link is driven by the second drive motor, with to close or flexible away from the direction of described rotation column, rotate and also be provided with one on the column for making expansion link at the drive unit that swings up and down perpendicular to the detection platform direction.
Preferably, described drive unit is a driving stem, described driving stem passes through a driving air cylinder driven and stretches, and drives cylinder and is fixed on the sidewall that rotates column, and an end of the end that described driving stem is not connected with the driving cylinder and the close rotation of described expansion link column is hinged.
Preferably, described drive unit comprises the first backguy, the second backguy, the first bobbin winoler and the second bobbin winoler, one end of described the first backguy connects the latter half of described expansion link proximity test platform one side, the other end of the first backguy is wrapped on the first bobbin winoler, one end of described the second backguy connects described expansion link away from the latter half of detection platform one side, the other end of the second backguy is wrapped on the second bobbin winoler, and the first bobbin winoler and the second bobbin winoler lay respectively at and rotate the up and down both sides that are positioned at described pivot on the column.
Preferably, described drive unit is one the 3rd drive motor, and the 3rd drive motor is connected synchronously this pivot of driving with described pivot and rotates.
Preferably, also be fixed with on the described detection platform be used to first blend stop of locating touch-screen to be measured and the second blend stop, described the first blend stop and the orthogonal placement of the second blend stop, described rotation column is installed in the intersection point place of the first blend stop and the second blend stop extended line.
Preferably, parcel one deck flexible rubber on the circumference of described detection roller.
Preferably, be provided with the block that radially outward protrudes on the sidewall of described rotation column, be positioned on the described detection platform rotate column near be fixed with the first limited block, when the first drive motor drive to rotate that column rotates and when making projection parallel first blend stop of expansion link on detection platform, described the first limited block gear contacts described block.
Preferably, be positioned near second limited block that also is fixed with that rotates column on the described detection platform, described the first limited block and the second limited block are 90 ° of arc angles take the rotating shaft of rotating column to be fixed as the center of circle, when the first drive motor drove the rotation of rotation column, described block rotated between the first limited block and the second limited block.
As another kind of optimal way, be positioned near second limited block that also is fixed with that rotates column on the described detection platform, described the first limited block and the second limited block are 100 °～120 ° arc angles take the rotating shaft of rotating column to be fixed as the center of circle, when the first drive motor drove the rotation of rotation column, described block rotated between the first limited block and the second limited block.
Technique scheme can be found out, because the embodiment of the invention has only adopted a detection platform, in detection platform a rotation column is installed, rotate and articulate an expansion link on the column, expansion link front end installation and measuring roller, after touch-screen is put on the detection platform, rotate column can guarantee to detect roller touch-screen laterally and vertical both direction detect, and can guaranteeing to detect roller, expansion link touches detection along touch-screen edge reciprocating rolling, realized automatic detection function by simple structural design, improve detection efficiency, saved simultaneously testing cost.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of touch-screen automatic detection device in the embodiment of the invention one;
Fig. 2 is the structural representation of touch-screen automatic detection device in the embodiment of the invention two.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making all other embodiment that obtain under the creative work prerequisite.
Embodiment one:
The embodiment of the invention provides a kind of touch-screen automatic detection device, as shown in Figure 1, comprise detection platform 1, rotate column 2, expansion link 3, detect roller 4, described rotation column 2 is rotatably installed on the detection platform, described expansion link 3 one ends are articulated in by a pivot 30 and rotate on the column 2, and can rotate along the direction perpendicular to detection platform 1, the other end of expansion link 3 is rotatably mounted described detection roller 4 and makes the shaft parallel that detects roller 4 in detection platform 1, described rotation column 2 is driven by the first drive motor (not shown), to rotate around an axle perpendicular to detection platform, described expansion link 3 is driven by the second drive motor (not shown), with close or flexible away from the direction of described rotation column, rotate and also be provided with one on the column 2 for making expansion link 3 at the drive unit that swings up and down perpendicular to the detection platform direction.
Drive unit in the embodiment of the invention is for being a driving stem 51, described driving stem 51 drives cylinder 50 by one and drives flexible, driving cylinder 50 is fixed on the sidewall that rotates column 2, described driving stem 51 heads (end that is not connected with the driving cylinder) are hinged with the latter half (near an end that rotates column) of described expansion link 3, drive the below that cylinder 50 is positioned at described pivot 30 in the embodiment of the invention, certainly drive the top that cylinder 50 also can be positioned at described pivot 30 and all can realize expansion link is played the effect that teeters.
Be understandable that, the first drive motor, electric wire and the gas pipeline of the second drive motor and driving cylinder all can be external, neat in order to realize wiring, rotate column and can select the rotation column of hollow, and offer wire casing at the sidewall that rotates column, electric wire and gas pipeline can be incorporated into from the hollow space that rotates column detection platform below go.
Expansion link is divided into first half and latter half, first half and latter half socket, realize Telescopic, have at present the second drive motor is installed in design in the hollow stem of expansion link latter half, can reduce the installing space of the second drive motor, the embodiment of the invention adopts the second drive motor is placed design in the hollow lever of expansion link latter half, only needs that the signal wire of the second drive motor and power lead are linked into driving circuit and get final product, realizes that wiring neatly.
Be understandable that, described driving stem 51 is flexible by driving cylinder 50 drivings, and namely the afterbody of driving stem 51 is connected on the piston rod that drives cylinder 50, and the stretching motion of piston rod is driving the stretching motion of driving stem.The head of driving stem 51 is connected to the latter half of expansion link 3, drives the below that cylinder 50 is positioned at described pivot 30, can guarantee that driving stem promotion expansion link under the driving that drives cylinder swings or spurs expansion link to lower swing up.Amount of contraction (also can be understood as the length of the recovery that drives cylinder piston rod) by adjusting driving stem can adjustable telescopic rod the amplitude to lower swing, expansion link is larger to the amplitude of lower swing, the dynamics of pressing that then detects pair of rollers touch-screen to be measured is also larger, therefore, can be by adjusting the contraction speed that drives cylinder piston rod, make the contraction speed of itself and expansion link keep balance, thereby reach the effect of evenly pressing touch-screen.
Also be fixed with on the detection platform described in the embodiment of the invention 1 be used to first blend stop 61 of locating touch-screen to be measured and the second blend stop 62, described the first blend stop 61 and the 62 orthogonal placements of the second blend stop, described rotation column 2 is installed in the intersection point place of the first blend stop 61 and the second blend stop 62 extended lines.
The first blend stop 61 is laterally placed on detection platform in the embodiment of the invention, the second blend stop 62 is vertically placed on detection platform, the first blend stop 61 and posting of the second blend stop 62 orthogonal formation, drawn a circle to approve a rectangular area, just in time mate with a corner of touch-screen to be measured, realize good location.The concrete length of the first blend stop and the second blend stop and width can be adjusted change according to the physical size of touch-screen to be measured, the first blend stop can contact also and can not contact with the second blend stop, preferential first blend stop of selecting does not contact with the second blend stop, between the first blend stop and the second blend stop, there is like this a space, guarantee that roller can be rolled to the end at the edge of touch-screen to be measured, and can not touch another blend stop.
The first blend stop and the second blend stop can be pasted and fixed on the detection platform, also can be fixed by screws on the detection platform, and first blend stop and the position of the second blend stop on detection platform can adjust, therefore, the mode of select pasting is fixedly the time, the position of more being convenient to the first blend stop and the second blend stop is changed, to adapt to different touch-screen sizes to be measured.If select the fixing mode of screw or screw rod, then need correspondence that threaded hole is set in detection platform, namely in detection platform one row's threaded hole is set transversely, one row's threaded hole also is set on detection platform is vertical, the first blend stop is fixed in different threaded holes in the horizontal, the second blend stop is fixed on the different threaded holes in the vertical so that adjust the position of the first blend stop and the second blend stop.
Although the rotational angle of the rotation column in the embodiment of the invention is controlled by the first drive motor by driving circuit, but the first blend stop and the second blend stop still can help to rotate column to a certain extent carries out angle orientation, for example when driving cylinder 50 driving driving stems 51 promotion expansion links upwards swing certain angle, if detect the height that roller does not exceed blend stop, then in case rotate the column rotational angle when excessive, then can be blocked by the first blend stop or the second blend stop, whether driving circuit only need detect rotating torque and increased and can judge just whether detect roller has navigated to lateral attitude or lengthwise position this moment, namely detect the projection of expansion link on detection platform and whether be parallel to the first blend stop or be parallel to the second blend stop, thereby in time correct driving circuit self to the rotational angle of the first drive motor.
Because the detection roller is the instrument for detection of touch-screen, should not accept collision, so set special stop means in the embodiment of the invention, be to be provided with the block 21 that radially outward protrudes on the sidewall of described rotation column 2, be positioned on the described detection platform 1 rotate column 2 near be fixed with the first limited block 11, when the first drive motor drive to rotate that column rotates and when making projection parallel first blend stop 61 of expansion link 3 on detection platform 1, described the first limited block 11 gears contact described block 21.For example, in Fig. 1, when the rotation column turns clockwise (expansion link is by vertically turning to laterally), rotating block 21 on the column can be fixed on the first limited block 11 gears on the detection platform 1 and contact and stop operating, this moment, driving circuit also can be adjusted the driving angle of himself by the torque that detects the first drive motor so, thereby realized fast location.
Carry out spacing in the time of can turning to lengthwise position to expansion link equally, be to be positioned near second limited block that also is fixed with that rotates column on the described detection platform (to go out to be blocked in to rotate the column back, not shown in the figures), described the first limited block and the second limited block are 90 ° of arc angles take the rotating shaft of rotating column to be fixed as the center of circle, when the first drive motor drove the rotation of rotation column, described block rotated between the first limited block and the second limited block.Hence one can see that, and when rotating column 2 when turning to projection parallel second blend stop 62 of expansion link 3 on detection platform 1, described the second limited block gear contacts described block 21.Can find out so, this moment, the slewing area of expansion link was in 90 ° of scopes of the first blend stop and the delineation of the second blend stop, therefore touch-screen to be measured can only be put on the detection platform 1 from level angle, and expansion link can hinder touch-screen to be measured and puts into detection platform on vertical angle.
Therefore in the improvement project of another embodiment, be positioned near second limited block that also is fixed with that rotates column on the described detection platform, described the first limited block and the second limited block are 100 °～120 ° arc angles take the rotating shaft of rotating column to be fixed as the center of circle, when the first drive motor drove the rotation of rotation column, described block rotated between the first limited block and the second limited block.Hence one can see that, when rotation column 2 rotates counterclockwise, expansion link 3 turns to (expansion link surpasses 90 ° position by the initial position rotation that the projection on detection platform is parallel to the first blend stop 61) when surpassing the second blend stop 62, because the second blend stop 62 has certain width, therefore according to the width of the second blend stop the first limited block and the second limited block are set in 100 °～120 ° take the rotating shaft of rotation column as the arc angle that the center of circle was, allow expansion link 3 rotate above the second blend stop to ensure enough angles, when expansion link rotated counterclockwise above the second blend stop, described the second limited block gear contacted described block so.Like this, expansion link just can produce the scope that the first blend stop and the second blend stop are drawn a circle to approve, and at this moment, touch-screen to be measured just can be put on the test platform from vertical angle, is convenient to taking and placing of touch-screen to be measured.
Parcel one deck flexible rubber on the circumference of the roller of detection described in the embodiment of the invention; can protect touch-screen to be measured not by scratch; certainly detect roller itself and also can adopt the flexible rubber wheel, perhaps protect touch-screen to be measured at other flexible materials of circumference parcel that detect roller.
Embodiment two:
Difference with respect to above-described embodiment one in the embodiment of the invention is drive unit, as shown in Figure 2, drive unit in the embodiment of the invention comprises the first backguy 52, the second backguy 53, the first bobbin winoler (not shown) and the second bobbin winoler (not shown), one end of described the first backguy 52 connects described expansion link away from the latter half of detection platform one side, the other end of the first backguy 52 is wrapped on the first bobbin winoler, one end of described the second backguy 53 connects the latter half of described expansion link proximity test platform one side, the other end of the second backguy is wrapped on the second bobbin winoler, and the first bobbin winoler and the second bobbin winoler lay respectively at and rotate the up and down both sides that are positioned at described pivot on the column.The first bobbin winoler is from the top pulling expansion link of pivot (expansion link is articulated in the pivot that rotates on the column), so expansion link can only swing up, and the second bobbin winoler is from the below pulling expansion link of pivot, so expansion link can only be towards lower swing.For make the first bobbin winoler can rotate column be positioned at pivot above fixing, rotate column and can suitably increase length, the position that is about to the pivot pivot joint arranges the middle part of rotating on the column vertical direction, and the first bobbin winoler is fixed on the top of rotating column, the second bobbin winoler is fixed on the root that rotates column, thereby realizes spurring from different directions expansion link.
Particularly, in the embodiment of the invention for economical with materials, rotate column and do not make the design of growth, rotating column adopts hollow to rotate column, change the installation site of the first bobbin winoler and the second bobbin winoler by pulley, namely rotate column be positioned at pivot above a fixed pulley is installed, open a groove at rotation column root towards the sidewall of expansion link one side, at groove another fixed pulley is installed, the first backguy and the second backguy are incorporated into the bottom of detection platform respectively by fixed pulley, thereby the first bobbin winoler and the second bobbin winoler all are installed in the bottom of detection platform, realize that each component layout is neatly reasonable.
Be understandable that, in testing process, the take-up speed of the second bobbin winoler and the contraction speed of expansion link also should keep balance, make detect roller touch-screen to be measured the dynamics of pressing keep evenly.
Embodiment three:
Difference with respect to above-described embodiment one in the embodiment of the invention still is drive unit, and the drive unit in the embodiment of the invention is one the 3rd drive motor, and the 3rd drive motor is connected synchronously this pivot of driving with described pivot and rotates.
For realizing that the 3rd drive motor is connected with the synchronous of described pivot, the output shaft of the 3rd drive motor can be connected with described pivot is coaxial, only need at the sidewall that rotates column a fixed mount that is used for fixing the 3rd drive motor to be set and get final product, then the output shaft with the 3rd drive motor gets final product with coaxial being fixedly connected with of described pivot.
Certainly, the 3rd drive motor can also connect synchronously by feed belt or transmission chain or transmission gear, all is that those skilled in the art can be known for these synchronous connected modes, gives unnecessary details no longer one by one herein.
Be understandable that, the level of torque of the 3rd drive motor has determined to detect the dynamics of pressing of pair of rollers touch-screen to be measured.
Why drive unit is arranged on the rotation column, owing to keeping the independence of whole automatic detection device, because rotating column can rotate, if drive unit is installed on the detection platform or is installed in the place that other break away from this automatic detection device, then rotate when rotating column one, then drive unit can lose the driving effect, and therefore, selection is arranged on drive unit to rotate on the column and rotates synchronously with the rotation column.
Need to prove, all drive respectively by different driving circuits for the first above-mentioned drive motor, the second drive motor, the 3rd drive motor and driving cylinder, and be that those skilled in the art can be known by prior art for the design of concrete driving circuit, do not give unnecessary details one by one herein.
The above touch-screen automatic detection device that the embodiment of the invention is provided is described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (9)
1. touch-screen automatic detection device, it is characterized in that, comprise detection platform, rotate column, expansion link, detect roller, described rotation column is rotatably installed on the detection platform, described expansion link one end is articulated in by a pivot and rotates on the column, and can rotate along the direction perpendicular to detection platform, the other end of expansion link is rotatably mounted described detection roller, and the shaft parallel of described detection roller is in detection platform, and described rotation column is driven by the first drive motor, to rotate around an axle perpendicular to detection platform, described expansion link is driven by the second drive motor, with to close or flexible away from the direction of described rotation column, rotates and also is provided with one on the column for making expansion link at the drive unit that swings up and down perpendicular to the detection platform direction.
2. touch-screen automatic detection device as claimed in claim 1, it is characterized in that: described drive unit is a driving stem, it is flexible that described driving stem drives air cylinder driven by one, drive cylinder and be fixed on the sidewall that rotates column, the end that described driving stem is not connected with the driving cylinder and the end near rotating column of described expansion link are hinged.
3. touch-screen automatic detection device as claimed in claim 1, it is characterized in that: described drive unit comprises the first backguy, the second backguy, the first bobbin winoler and the second bobbin winoler, one end of described the first backguy connects the latter half of described expansion link proximity test platform one side, the other end of the first backguy is wrapped on the first bobbin winoler, one end of described the second backguy connects described expansion link away from the latter half of detection platform one side, the other end of the second backguy is wrapped on the second bobbin winoler, and the first bobbin winoler and the second bobbin winoler lay respectively at and rotate the up and down both sides that are positioned at described pivot on the column.
4. touch-screen automatic detection device as claimed in claim 1, it is characterized in that: described drive unit is one the 3rd drive motor, and the 3rd drive motor is connected synchronously with described pivot, drives this pivot and rotates.
5. such as the described touch-screen automatic detection device of any one in the claim 1～4, it is characterized in that: also be fixed with on the described detection platform be used to first blend stop of locating touch-screen to be measured and the second blend stop, described the first blend stop and the orthogonal placement of the second blend stop, described rotation column is installed in the intersection point place of the first blend stop and the second blend stop extended line.
6. touch-screen automatic detection device as claimed in claim 5 is characterized in that: parcel one deck flexible rubber on the circumference of described detection roller.
7. touch-screen automatic detection device as claimed in claim 5, it is characterized in that: be provided with the block that radially outward protrudes on the sidewall of described rotation column, be positioned on the described detection platform rotate column near be fixed with the first limited block, when the first drive motor drive to rotate that column rotates and when making projection parallel first blend stop of expansion link on detection platform, described the first limited block gear contacts described block.
8. touch-screen automatic detection device as claimed in claim 7, it is characterized in that: be positioned near second limited block that also is fixed with that rotates column on the described detection platform, described the first limited block and the second limited block are 90 ° of arc angles take the rotating shaft of rotating column to be fixed as the center of circle, when the first drive motor drove the rotation of rotation column, described block rotated between the first limited block and the second limited block.
9. touch-screen automatic detection device as claimed in claim 7, it is characterized in that: be positioned near second limited block that also is fixed with that rotates column on the described detection platform, described the first limited block and the second limited block are 100 °～120 ° arc angles take the rotating shaft of rotating column to be fixed as the center of circle, when the first drive motor drove the rotation of rotation column, described block rotated between the first limited block and the second limited block.
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| CN201210375799.3A CN102879687B (en) | 2012-09-29 | 2012-09-29 | Automatic detection device for touch screen |
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| CN201210375799.3A CN102879687B (en) | 2012-09-29 | 2012-09-29 | Automatic detection device for touch screen |
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| CN109900977A (en) * | 2017-12-08 | 2019-06-18 | 鸿准精密模具（昆山）有限公司 | The test method in touch screen service life |
| CN108860578A (en) * | 2018-05-02 | 2018-11-23 | 日照职业技术学院 | A kind of unmanned plane surveying and mapping data acquisition device |
| US10845913B1 (en) | 2019-05-22 | 2020-11-24 | International Business Machines Corporation | Touch sensitivity for robotically operated displays |
| CN113984337A (en) * | 2021-09-14 | 2022-01-28 | 合肥联宝信息技术有限公司 | Touch screen detection device and touch screen detection method |
| CN115609613A (en) * | 2022-09-29 | 2023-01-17 | 成都赛力斯科技有限公司 | Manipulator for touch screen and touch screen testing system |
| CN115609613B (en) * | 2022-09-29 | 2024-05-31 | 重庆赛力斯凤凰智创科技有限公司 | Manipulator for touch screen and touch screen testing system |
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| CN102879687B (en) | 2014-11-05 |
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